document.write( "Question 349475: What quantity of pure acid must be added to 300 mL of a 50% acid solution to produce a 60% acid solution? \n" ); document.write( "

Algebra.Com's Answer #249797 by Fombitz(32388) $\"\"$ $\"About$

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Let $\"A\"$ be the amount of 100% acid.
\n" ); document.write( " $\"100A%2B50%28300%29=60%28A%2B300%29\"$
\n" ); document.write( " $\"100A%2B15000=60A%2B18000\"$
\n" ); document.write( " $\"40A=3000\"$
\n" ); document.write( " $\"highlight%28A=75%29\"$ ml \n" ); document.write( "

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